Re: [PATCH 3/4] dt-bindings: net: can: Document transceiver implementation as phy

From: Rob Herring
Date: Mon Apr 12 2021 - 13:51:41 EST


On Fri, Apr 09, 2021 at 07:10:53PM +0530, Aswath Govindraju wrote:
> From: Faiz Abbas <faiz_abbas@xxxxxx>
>
> Some transceivers need a configuration step (for example, pulling the
> standby or enable lines) for them to start sending messages. The
> transceiver can be implemented as a phy with the configuration done in the
> phy driver. The bit rate limitation can the be obtained by the driver using
> the phy node.
>
> Document the above implementation in the bosch mcan bindings
>
> Signed-off-by: Faiz Abbas <faiz_abbas@xxxxxx>
> Signed-off-by: Aswath Govindraju <a-govindraju@xxxxxx>
> ---
> Documentation/devicetree/bindings/net/can/bosch,m_can.yaml | 6 ++++++
> 1 file changed, 6 insertions(+)
>
> diff --git a/Documentation/devicetree/bindings/net/can/bosch,m_can.yaml b/Documentation/devicetree/bindings/net/can/bosch,m_can.yaml
> index 798fa5fb7bb2..2c01899b1a3e 100644
> --- a/Documentation/devicetree/bindings/net/can/bosch,m_can.yaml
> +++ b/Documentation/devicetree/bindings/net/can/bosch,m_can.yaml
> @@ -109,6 +109,12 @@ properties:
> can-transceiver:
> $ref: can-transceiver.yaml#
>
> + phys:
> + minItems: 1

maxItems: 1

> +
> + phy-names:
> + const: can_transceiver

Kind of a pointless name. You don't really need a name if there's a
single entry.

> +
> required:
> - compatible
> - reg
> --
> 2.17.1
>